for (int i = 0; i < keys.length; i++) { value = header.get(keys[i]); if (value != null) { subHeader.set(keys[i], value); } }
for (int j = 0; j < columnNames.length; j++) { String v = (String) header.get(columnNames[j]); if ( v==null) v = ""; out.writeString(v); }
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/folder/AbstractLocalFolder.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/folder/headercache/DefaultHeaderBinding.java
Method name: Header getHeaderFields(Object, String[]) Method name: void objectToEntry(Object, TupleOutput)
Number of AST nodes: 4 Number of AST nodes: 5
1
for (int i = 0; i < keys.length; i++) {
1
for (int j = 0; j < columnNames.length; j++) {
2
				value = header.get(keys[i]);
2
			String v = (String) header.get(columnNames[j]);
3
				if (value != null) {
3
			if (
4
					subHeader.set(keys[i], value);
5
				}
6
	
4
 v==null) v = "";
5
			out.writeString(v);
7
		}
6
		}
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.3
Clones locationClones are in different classes
Number of node comparisons10
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)2.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    10
    for (int i = 0; i < keys.length; i++)
    10
    for (int i = 0; i < keys.length; i++)
    26
    for (int j = 0; j < columnNames.length; j++)
    Differences
    Expression1Expression2Difference
    ijVARIABLE_NAME_MISMATCH
    ijVARIABLE_NAME_MISMATCH
    keyscolumnNamesVARIABLE_NAME_MISMATCH
    ijVARIABLE_NAME_MISMATCH
    26
    for (int j = 0; j < columnNames.length; j++)
    11
    value = header.get(keys[i]);
    11
    value = header.get(keys[i]);
    Preondition Violations
    Unmatched statement value=header.get(keys[i]); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                
                                                                                                    
    27
    String v = (String)header.get(columnNames[j]);
    Preondition Violations
    Unmatched statement String v=(String)header.get(columnNames[j]); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    27
    String v = (String)header.get(columnNames[j]);
    12
    if (value != null)
    12
    if (value != null)
    28
    if (v == null)
    Differences
    Expression1Expression2Difference
    valuevVARIABLE_NAME_MISMATCH
    !===OPERATOR_MISMATCH
    Preondition Violations
    Expression value != null cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v == null cannot be parameterized, because it has dependencies to/from statements that will be extracted
    28
    if (v == null)
    13
    subHeader.set(keys[i], value);
    13
    subHeader.set(keys[i], value);
    Preondition Violations
    Unmatched statement subHeader.set(keys[i],value); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                      
                      
    29
    v = "";
    Preondition Violations
    Unmatched statement v=""; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    29
    v = "";
                                                  
    30
    out.writeString(v);
    Precondition Violations (7)
    Row Violation
    1Unmatched statement value=header.get(keys[i]); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement String v=(String)header.get(columnNames[j]); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Expression value != null cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression v == null cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Unmatched statement subHeader.set(keys[i],value); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Unmatched statement v=""; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    7The refactoring of the clones is infeasible, because classes org.columba.mail.folder.AbstractLocalFolder and org.columba.mail.folder.headercache.DefaultHeaderBinding do not have a common superclass